I knew something, something that would completely derail any plans that Mother and Mr. Albright might have.

Directives may be general ("stop being so hostile") to specific ("no more talk about chili"), and are intended to keep a thread from completely derailing.

The first three carriages of the train derailed completely, in addition to the first bogie of the fourth car.

The locomotive derailed completely, and also two railway cars were damaged.

Next came a luggage van which derailed completely, demolishing a lineside shunter's cabin and losing its side in the process.

As bad as today's figures were, they did not completely derail growth.

The sixth car did not completely derail from the track, rather settling in a leaning position on its right side.

At this point the power car derailed completely, causing the remainder of the train to derail.

Completely derailed the discussion to go in a different direction from the article - the very definition that Ars uses to judge trolling.

When a vehicle derails completely, its wheels cease to shunt the track circuit.